<template>
  <div :class="className" :style="{ height: height, width: width }" />
</template>

<script>
import echarts from "echarts";
require("echarts/theme/macarons"); // echarts theme
import resize from "../mixins/resize";
const animationDuration = 6000;
export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: "chart"
    },
    width: {
      type: String,
      default: "100%"
    },
    height: {
      type: String,
      default: "350px"
    },
    chartData: {
      type: Object
      //required: true
    }
  },
  watch: {
    chartData: {
      deep: true,
      handler(val) {
        this.setOptions(val);
      }
    }
  },
  data() {
    return {
      chart: null,
      seriesData: []
    };
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart();
    });
  },
  beforeDestroy() {
    if (!this.chart) {
      return;
    }
    this.chart.dispose();
    this.chart = null;
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, "macarons");
      this.setOptions(this.chartData);
    },
    setOptions({ newVisitis, xAxis, actualData } = {}) {
      var series = [];
      if (newVisitis != null || newVisitis != undefined) {
        for (var i = 0; i < newVisitis.length; i++) {
          let aa = newVisitis[i];
          for (var j = 0; j < aa.length; j++) {
            series.push({
              name: actualData[i],
              type: "bar",
              data: aa[j],
              smooth: true, //线条平滑
              //stack: 'vistors',
              animationDuration: 2800,
              animationEasing: "quadraticOut"
            });
          }
        }
      }
      this.chart.setOption({
        tooltip: {
          trigger: "axis",
          axisPointer: {
            // 坐标轴指示器，坐标轴触发有效
            type: "shadow" // 默认为直线，可选为：'line' | 'shadow'
          }
        },
        grid: {
          top: 40,
          left: "1%",
          right: "2%",
          bottom: "3%",
          containLabel: true
        },
        legend: {
          data: actualData,
          left: "40%",
          textStyle: {
            color: "#fff"
          }
        },
        xAxis: [
          {
            type: "category",
            data: xAxis,
            axisTick: {
              alignWithLabel: true
            }
          }
        ],
        yAxis: [
          {
            name: "万元",
            type: "value",
            axisTick: {
              show: false
            }
          }
        ],
        series: series
      });
    }
  }
};
</script>
